It’s hard enough to wrap my head around the fact that there are currently 2.6 billion smartphone subscriptions across the globe, but the latest Mobility Report from Ericsson claims that the number will skyrocket to 6.1 billion by the year 2020. That’s right, despite the fact that smartphone growth in developing nations has been leveling off, the number of smartphone subscriptions will more than double within five years, at which point nearly three fourths of the world’s population will own a smartphone.